Unbiased ion identification by multiple ions

a technology of ion identification and multiple ions, applied in the field of ion identification, can solve the problems of not being able to detect a broad molecules need to be charged, and selectivity is both good and bad, and achieves the effect of not being able to detect a wide range of chemicals with varying properties

Active Publication Date: 2022-05-19
KARSA OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The problem is they only measure ions, which means that the molecules need to be charged (ionized) first.
Selectivity is both a good and a bad thing.
However, the obvious drawback is that a certain reagent only works for limited number of molecules, and as such, it is not a suitable method for detecting a broad range of chemicals with varying properties.

Method used

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  • Unbiased ion identification by multiple ions
  • Unbiased ion identification by multiple ions
  • Unbiased ion identification by multiple ions

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Embodiment Construction

[0066]Same reference numerals in different figures can be used to refer to similar objects, which do not necessarily be exactly identical, as a skilled person in the art understands from the embodiments of the invention.

[0067]FIG. 1 illustrates multi-ion identification device 100 of a MION-system (Sys, FIG. 4), to be used with co-operation of a mass spectrometer MS (FIG. 4).

[0068]According to an embodiment, in the multi-ion identification device 100, there is a buffering region 100a, in which the sheath flows enter to the multi-ion identification device, as well as the sample to the device. According to an embodiment, the buffering region can comprise a port to auxiliary measurements to further processing of the sample elsewhere and / or a redundant and / or a diverse analysis elsewhere, i.e. in a second device which can be similar, but is not necessarily the same.

[0069]The total flow can be measured at the port Flow measurement, as based on the direct measurement of the flow and / or the...

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Abstract

Disclosed are embodiments directed to a multi-ion identification device, a system and method using the same to utilize chemical ionization in multiple adduct formation from the substances in the sampled gas of a gas sample being addressed to be analyzed in a mass analyzer. The multi-ion identification device includes a buffering region to have the sample flow turbulence decayed before the sample flow entrance to the ionization region)) utilizing chemical ionization by reagents from an ensemble of reagent ion towers.

Description

BACKGROUND OF THE INVENTIONField of the Invention[0001]Generally, the present invention relates to ion identification from a medium being sampled to the ion identification device. In particular, the present invention pertains to a multi-ion identification device to determine a composition of gaseous species in the sampled medium to be analyzed to identify the ions and so to determine the composition of the sample. The present invention relates also to such a program product that is used in the control of said ion identification by the multi-ion identification device. The present invention relates also to a system to produce a database being formed from the measurement results being made by the system.DESCRIPTION OF THE RELATED ART[0002]Determination of various gaseous compositions comprising organic constituents in the gases has been made in the history in 150 years as such. One example of an early composition study relates to Breath analysis dates to 1874 when Francis E. Anstie mad...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H01J49/00G01N33/497H01J49/14H01J49/02H01J49/04
CPCH01J49/0031G01N33/497H01J49/0036H01J49/025H01J49/0422H01J49/145G01N27/62H01J49/107H01J49/10
Inventor SHCHERBININ, ALEKSEIMIKKILÄ, JYRIRISSANEN, MATTIKAUSIALA, OSKARI
Owner KARSA OY
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